CN107387119A - Prefabricated assembled tunnel inverted arch, tunnel structure and its construction method - Google Patents
Prefabricated assembled tunnel inverted arch, tunnel structure and its construction method Download PDFInfo
- Publication number
- CN107387119A CN107387119A CN201710549831.8A CN201710549831A CN107387119A CN 107387119 A CN107387119 A CN 107387119A CN 201710549831 A CN201710549831 A CN 201710549831A CN 107387119 A CN107387119 A CN 107387119A
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- China
- Prior art keywords
- tunnel
- assembled
- blind pipe
- prefabricated
- inverted arch
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Abstract
The present invention relates to Tunnel Engineering technical field, disclose a kind of prefabricated assembled tunnel inverted arch, including multiple rows of along the tactic assembled rigid unit of tunnel bearing of trend, often arranging assembled rigid unit includes the curved assembled block in polylith cross section, the seam often arranged between the adjacent assembled block in seam and adjacent assembled rigid unit between the adjacent assembled block in assembled rigid unit is offset one from another, and the connection reinforcing bar for being connected with tunnel arch wall is reserved with the top of the both sides prefabricated section lateral surface of every row's assembled rigid unit.A kind of prefabricated assembled tunnel inverted arch provided by the present invention has the advantages that to economize on resources the energy, reduction construction pollution, lifting labor productivity, reduction labor strength and improves quality safety level with groove structure building course.Tunnel discontinuity, the hidden danger for being easily deformed and easily ftractureing can also be prevented.The invention also discloses a kind of including the above-mentioned a kind of tunnel structure and its construction method of prefabricated assembled tunnel inverted arch.
Description
Technical field
The present invention relates to Tunnel Engineering technical field, is related to a kind of prefabricated assembled tunnel inverted arch, further relates to one kind and include
The tunnel structure of above-mentioned prefabricated assembled tunnel inverted arch, and the construction method of the tunnel structure.
Background technology
At present, tunnel structure is divided into tunnel inverted arch, tunnel arch wall, packed layer, drainage system etc., and wherein tunnel cavern uses
Hand excavation or mechanical equivalent of light excavation, then apply preliminary bracing, and cast-in-place tunnel inverted arch uses live assembling reinforcement, then casting concrete
Mode.This kind of construction method exist mechanization degree is low, can not effectively solve the common layering of Tunnel Base, cracking, pucking,
The disease such as it sink, rise soil, thus causing quality not ensure, in addition, the construction method also exists and wasted time and energy, increases work
People's labor intensity, the shortcomings of low construction efficiency.
The content of the invention
(1) technical problems to be solved
It is an object of the present invention to provide a kind of prefabricated assembled tunnel inverted arch, it is intended at least solves prior art or phase
One of technical problem present in the technology of pass；
It is a further object to provide a kind of tunnel structure for including above-mentioned prefabricated assembled tunnel inverted arch, it is intended to
At least solves one of technical problem present in prior art or correlation technique；
It is also another object of the present invention to provide a kind of construction method of above-mentioned tunnel structure, it is intended at least solves existing skill
One of technical problem present in art or correlation technique.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of prefabricated assembled tunnel inverted arch, wherein, including it is multiple rows of
Along the tactic assembled rigid unit of tunnel bearing of trend, often arranging assembled rigid unit includes the curved assembled block in polylith cross section,
The seam often arranged between the adjacent assembled block in the seam and adjacent assembled rigid unit between the adjacent assembled block in assembled rigid unit is equal
Offset one from another, the reinforcing bar for being connected with tunnel arch wall is embedded with the top of the both sides prefabricated section of every row's assembled rigid unit.
Wherein, the seam in the odd row assembled rigid unit in multiple rows of assembled rigid unit corresponds to each other, even rows
Seam in assembled rigid unit corresponds to each other.
Wherein, the hoisting ring for lifting is provided with every block of prefabricated section.
Wherein, the relative joint face for often arranging the two neighboring prefabricated section in assembled rigid unit is provided with the positioning to cooperate
Raised and detent, the two neighboring prefabricated section that difference is arranged in assembled rigid unit are connected using tongue and groove or ball-and-socket hinge style, and often row spells
Fill the two neighboring prefabricated section in unit and the two neighboring prefabricated section in different row's assembled rigid units is removable by connector
Unload formula connection.
Wherein, contiguous prefabricated piece in assembled rigid unit between two neighboring prefabricated section and in different row's assembled rigid units is often arranged
Between be provided with sealing rod.
The vertical injected hole of the insertion prefabricated section is wherein reserved with middle prefabricated section in every row's assembled rigid unit.
The invention also discloses a kind of tunnel structure, on inner surface of tunnel ecto-entad be disposed with preliminary bracing,
Secondary lining, drainage system and packed layer, the secondary lining include tunnel arch wall and prefabricated assembled tunnel as described above
Road inverted arch.
Wherein, the drainage system uses prefabricated assembled drainage system, and it includes the filling being located in the packed layer
The straight blind pipe of layer draining, packed layer draining inclination blind pipe, inspection shaft, and the inverted arch bottom discharge in the preliminary bracing are blind
Pipe；The inspection shaft is arranged on the pipeline of the straight blind pipe of packed layer draining；The drainage system is also described including being arranged on
The longitudinal drainage ditch of packed layer both sides, the packed layer draining tilt blind pipe connection inspection shaft and the longitudinal drainage ditch；It is described
It is described to fill out between the inverted arch bottom discharge blind pipe and the inspection shaft between the straight blind pipe of packed layer draining and the inspection shaft
Layer draining is filled to tilt between blind pipe and the inspection shaft, and the packed layer draining tilt blind pipe and the longitudinal drainage ditch it
Between connected by dismountable mode；The longitudinal drainage ditch, the straight blind pipe of the packed layer draining, the packed layer draining are inclined
Oblique blind pipe, the inspection shaft, the inverted arch bottom discharge blind pipe are prefabricated component.
Wherein, the quantity of the longitudinal drainage ditch per side is two, and is provided with only between the two described longitudinal drainage ditches
Water bar.
Wherein, the junction of the longitudinal drainage ditch and packed layer draining inclination blind pipe is located at the longitudinal drainage ditch
Bottom above.
The invention also discloses a kind of construction method of tunnel structure, it comprises the following steps：
S1：Preliminary bracing is applied, the pre-buried inverted arch bottom discharge blind pipe when applying preliminary bracing；
S2：Assembled tunnel inverted arch；In the assembled tunnel inverted arch, centrally located prefabricated section is lifted first, so
Lift the prefabricated section positioned at both sides again afterwards；
S3：Tunnel arch wall is installed；Tunnel arch wall passes through reinforcing bar pre-buried at the top of the prefabricated section of tunnel inverted arch both sides and the tunnel
Road inverted arch connection；
S4：Drainage system is installed；The straight blind pipe of packed layer draining is installed first, packed layer draining tilts blind pipe and inspection shaft；
Then by the assembled both sides for arriving tunnel of longitudinal drainage ditch, and the packed layer draining of the drainage system is tilted into blind pipe and indulged with described
Connected to gutter；
S5：Pour packed layer.
(3) beneficial effect
Prefabricated assembled tunnel inverted arch, tunnel structure and its construction method provided by the present invention pass through different rows are assembled
Unit along the tunnel bearing of trend fissure of displacement connect, to cause tunnel inverted arch to be more uniformly stressed, and do not allow it is yielding, so as to prevent tunnel
Ftracture in road.Further, since tunnel inverted arch is spliced by the curved prefabricated section in multiple sections, so it is not only convenient in factory pair
Prefabricated section carries out the prefabricated processing of batch, and is readily transported and installs, and scene is carried out after each prefabricated section can be transported to job site
Installation, and quick, simplicity is installed, so as to realize the rapid construction of tunnel inverted arch, labor strength is reduced, improves construction
Efficiency simultaneously ensures construction quality, to avoid the hidden danger of quality that inverted arch cast-in-place operation in tunnel is brought.In addition, have in building course
The advantages that energy, reduction construction pollution and raising quality safety level of economizing on resources.Tunnel discontinuity can also be prevented, held
Hidden danger that is yielding and easily ftractureing.
Brief description of the drawings
Fig. 1 shows a kind of partial schematic diagram of a preferred embodiment of tunnel structure according to the present invention；
Fig. 2 is the structural representation of the tunnel inverted arch in Fig. 1；
Fig. 3 is the A portions enlarged drawing of the tunnel inverted arch in Fig. 2；
Fig. 4 is the schematic diagram according to a kind of tunnel structure of the present invention；
Fig. 5 is the structural representation of the tunnel structure in Fig. 4；
Fig. 6 is longitudinal sectional drawing of the drainage system in Fig. 4.
In figure, 1：Preliminary bracing；2：Secondary lining；21：Inverted arch；22：Arch wall；3：Prefabricated section；4：Hoisting ring；5：Reinforcing bar；
6：Tongue-and-groove；7：Drainage system；71：Horizontal blind pipe；72：Packed layer draining tilts blind pipe；73：Longitudinal blind pipe；74：Inspection shaft；75：
Packed layer center longitudinal drainage pipe；76：Inverted arch bottom discharge blind pipe；77：Longitudinal drainage ditch；8：Detent；9：Positioning convex；
10：Connecting portion；11：Packed layer；12：Track plates basis.
Embodiment
With reference to Figure of description and embodiment, the embodiment of the present invention is described in further detail.With
Lower embodiment is merely to illustrate the present invention, but can not be used for limiting the scope of the present invention.
Fig. 1 shows an a kind of preferred embodiment of tunnel structure according to the present invention.As illustrated, the tunnel includes
Preliminary bracing 1 and secondary lining 2, wherein secondary lining 2 include tunnel arch wall 22 and tunnel inverted arch 21, wherein, tunnel inverted arch 21
Using prefabricated assembled tunnel inverted arch, it includes multiple rows of single along the tactic assembled rigid unit of tunnel bearing of trend, often row's assembly
Member includes the curved assembled block 3 in polylith cross section, often arrange seam between the adjacent assembled block 3 in assembled rigid unit with it is adjacent
The seam between adjacent assembled block 3 in assembled rigid unit offsets one from another, the top of prefabricated section 3 that tunnel inverted arch 21 passes through its both sides
Reserved reinforcing bar 5 is connected with tunnel arch wall 22.Secondary lining 2 provided by the present invention by by different row's assembled rigid units along tunnel
The bearing of trend fissure of displacement connect, to cause secondary liner structure to be more uniformly stressed, and do not allow it is yielding, so as to prevent tunnel from opening
Split.Further, since tunnel inverted arch 21 is spliced by the curved prefabricated section 3 in multiple sections, so it is not only convenient in factory pair
Prefabricated section 3 carries out the prefabricated processing of batch, and is readily transported and installs, and is showed after each prefabricated section 3 being transported into job site
Installation, and install quick, easy, so as to realize the rapid construction of Tunnel Second Lining 2, labor strength is reduced,
Improve efficiency of construction and simultaneously ensure construction quality, the hidden danger of quality that cast-in-place operation is brought during avoiding tunnel tunnel inverted arch.
For the ease of the processing of prefabricated section 3, the number of molds of production prefabricated section 3 is reduced, in preferably multiple rows of assembled rigid unit
Seam in odd row assembled rigid unit is corresponding, and the seam in even rows assembled rigid unit is corresponding.Specifically, in the implementation
In example, odd row assembled rigid unit includes 4 blocks of prefabricated sections 3, and even rows assembled rigid unit includes 3 blocks of prefabricated sections 3, odd row
In 4 blocks of prefabricated sections 3 include left prefabricated section, left prefabricated section, it is right in prefabricated section, right prefabricated section.In even rows assembled rigid unit
3 blocks of prefabricated sections 3 include left prefabricated section, middle prefabricated section and right prefabricated section.In some other embodiment of the present invention, often row spells
The quantity for filling prefabricated section in unit should be according to the concrete condition specific design in tunnel.
Further, the hoisting ring 4 for lifting is both provided with every block of prefabricated section 3, in order in installation process
Prefabricated section 3 is lifted.
Specifically, the relative joint face for often arranging two neighboring prefabricated section 3 in assembled rigid unit is provided with determining for mutual cooperation
Position groove 8 and positioning convex 9, the seam crossing for often arranging two neighboring prefabricated section 3 in assembled rigid unit pass through detent 8 and convex
9 are played to be positioned, sealed and installed, and good sealing effect.Contiguous prefabricated pieces 3 in difference row's assembled rigid units using tongue and grooves or
Ball-and-socket hinge style connects, in order to further position, seal and install.
In addition, be additionally provided with connecting portion 10 on prefabricated section 3, often arrange two neighboring prefabricated section 3 in assembled rigid unit and
(such as the prefabricated section in first row assembled rigid unit and second row are assembled single for two neighboring prefabricated section 3 in difference row's assembled rigid units
Prefabricated section in member) pass through connector detachable connection.In order to Fast Installation.Specifically, in this embodiment, connect
Part is bent bolt, and the deep gouge 10 to cave inward is provided with the top of each prefabricated section 3, and the deep gouge 10 is close to the one of joint face
The through hole passed through for bent bolt is transversely provided with side channel wall, the both ends of bent bolt are each passed through corresponding through hole, and with setting
The locking nut put in corresponding deep gouge is engaged, and two neighboring prefabricated section 3 is connected, realize each prefabricated section 3 it
Between be connected.It should be noted that the present invention some other embodiment in, connecting portion can also be arranged on it is prefabricated
The boss that the top of block 3 raises up.The through hole passed through for connector is transversely provided with boss.In addition, in some embodiments
In, connector can also be straight bolt or pin etc..
In addition, in order to ensure that the good rear seam crossing of the splicing of prefabricated section 3 has good sealing and water resistance, preferably in every row
It is provided with only between contiguous prefabricated piece 3 in assembled rigid unit between two neighboring prefabricated section 3 and in different row's assembled rigid units
Water bar (not shown).
Further, the vertical slip casting of insertion prefabricated section is reserved with middle prefabricated section 3 in every row's assembled rigid unit
Hole (not shown), after the assembly of tunnel inverted arch 21 fixes, by the vertical injected hole to tunnel inverted arch 21 and preliminary bracing 1 it
Between gap and adjacent prefabricated section 3 between gap injection cement mortar filling, it is close between prefabricated section 3 to further enhance
Envelope and water resistance.
The invention also discloses a kind of tunnel structure, ecto-entad is disposed with preliminary bracing 1, two on inner surface of tunnel
Secondary lining cutting 2, drainage system 7 and packed layer 11, wherein, secondary lining 2 includes tunnel arch wall and prefabrication and assembly construction as described above
Formula tunnel inverted arch.
It is highly preferred that drainage system 7 uses prefabricated assembled drainage system, it includes the straight blind pipe of packed layer draining, filling
Layer draining tilts blind pipe 72 and inverted arch bottom discharge blind pipe 76, and the wherein straight blind pipe of packed layer draining, packed layer draining tilts blind pipe
72nd, inspection shaft 74 is located in packed layer 11, and inverted arch bottom discharge blind pipe 76 is arranged in preliminary bracing 1.Inspection shaft 74 is arranged on
On the pipeline of the straight blind pipe of packed layer draining.Drainage system also includes the longitudinal drainage ditch 77 for being arranged on packed layer both sides, fills out
Fill layer draining and tilt the connection inspection shaft 74 of blind pipe 72 and longitudinal drainage ditch 77.Between the straight blind pipe of packed layer draining and inspection shaft 74,
Between inverted arch bottom discharge blind pipe 76 and inspection shaft 74, packed layer draining is tilted between blind pipe 72 and inspection shaft 74, and filling
Layer draining tilts blind pipe 72 and described to being connected between gutter 77 by dismountable mode.Also, packed layer draining is straight
It is prefabricated that blind pipe, packed layer draining, which tilt blind pipe 72, inverted arch bottom discharge blind pipe 76, inspection shaft 74 and longitudinal drainage ditch 77,
Part.
The partial structurtes of drainage system 7 are illustrate only in Fig. 5, the quantity of inspection shaft 74 that actually drainage system 7 includes can
Can be multiple, and the quantity of the draining blind pipe around each inspection shaft 74 arrangement is also more.But due to each cloth of inspection shaft 74
Situation about putting is about the same, therefore a wherein segment structure is only intercepted in Fig. 5 and is illustrated.
The drainage system 7 is formed by on-site consolidation, improves drainage system construction quality and efficiency, avoids draining system
The problem of system later stage cracking leak.Also, can be by being dredged at inspection shaft 74, so as to improve when system blocks
Drainage system 7 later maintenance ability.
On this basis, due to inspection shaft 74 and all draining blind pipes (including the straight blind pipe of packed layer draining, inverted arch bottom row
Water blind pipe 76 and packed layer draining tilt blind pipe 72) directly or indirectly connect, so as in its all draining blind pipe that can conflux
Water after water is discharged, so as to omit the setting in gutter, realize cost-effective and strengthen tunnel bottom structural strength
Effect.
It should be noted that " inspection shaft 74 is arranged on the pipeline of the straight blind pipe of packed layer draining " refers to inspection shaft
74 connect with the straight blind pipe of packed layer draining, so that the water in the straight blind pipe of packed layer draining can be discharged by inspection shaft 74.
Also, the straight blind pipe of packed layer draining includes many pipeline sections to extend in all direction, and simultaneously all pipeline sections of non-sum are directly connected to inspection shaft 74, and
As long as it is to ensure that the water in pipeline section can be flowed into inspection shaft 74.Certainly, more preferably scheme is to set inspection shaft 74
Put in the central hub position of the straight blind pipe of packed layer draining, so as to ensure the feasibility of each position draining.
On the basis of the above, interpolation type threaded connection or sealing ring jointing can be used between adjacent drainage channel blind pipe
Connection.In addition, between inspection shaft 74 and inverted arch bottom discharge blind pipe 76, and the straight blind pipe of packed layer draining and inspection shaft 74
Between can use interpolation type threaded connection or sealing ring jointing connection.Certainly, in the place that three pipelines cross
It can also be attached using three-way connection.
Specifically, the three-way connection includes the first pipeline section, and symmetrically arranged second pipe of relatively described first pipeline section
Section and the 3rd pipeline section.Once the second pipeline section or the 3rd pipeline section block, then common practice is carried out by the first pipeline section
Dredging.But in the prior art, high pressure dredging shower nozzle is inserted after the first pipeline section, its trend can not be controlled well, so as to very
May the second pipeline section when blocking the final injection of high pressure dredging shower nozzle put to being towards the 3rd pipeline section.In view of this, this implementation
Example one is provided with division board on the shaft section of the first pipeline section, and through hole is provided with division board, so as to which division board is being realized
The circulation of the water of three-port structure is not interfered with the basis of being guided to high pressure dredging shower nozzle.
In the present embodiment, it is assumed that the first pipeline section is first end close to one end of the second pipeline section (or the 3rd pipeline section), and another
One end is the second end.It is oriented to effectively dredge shower nozzle to high pressure, then the second end of the pipeline section of division board Edge Distance first
Port must not be too far away, and is preferably isolated plate and extends directly into the second end port.In addition, the of the pipeline section of Edge Distance first of division board
One end port can not be too remote, and is preferably isolated plate and stretches out the first pipeline section and extend into the second pipeline section and the 3rd pipeline section
Intersection.Certainly, the setting of division board can not influence the connection between the second pipeline section and the 3rd pipeline section.In addition, in order to ensure three
The reliability of siphunculus section connection, the second end port outer sheath of preferably the first pipeline section are provided with plug.
Please with further reference to Fig. 5, the straight blind pipe of packed layer draining includes horizontal blind pipe 71 and longitudinal blind pipe 73 in the present embodiment.
A corresponding inspection shaft 74 is provided with a longitudinal blind pipe 73 in Fig. 5, and 73 directly connect with inspection shaft 4.In addition in Fig. 5,
Or horizontal blind pipe 71 is connected with longitudinal blind pipe 73, so as to which water is passed into inspection shaft by longitudinal blind pipe 73；It is or horizontal
Directly connect with inspection shaft 74 to blind pipe 71 and water is passed directly among inspection shaft 74.
It should be appreciated that the quantity of longitudinal blind pipe 73 and horizontal blind pipe 71 corresponding to each inspection shaft 74 and distribution not by
The limitation of accompanying drawing 5, as long as the whole straight blind pipe of packed layer draining can realize corresponding drain function.So as to longitudinal blind pipe 73
It all both can directly connect, can also have been connected by other pipeline sections with inspection shaft with inspection shaft 74 with horizontal blind pipe 71.Also, remove
Longitudinal blind pipe 73 and horizontal blind pipe 71, the drainage system of the present embodiment can also include and inverted arch bottom discharge blind pipe 76 and perpendicular
The inclination blind pipe of straight well 74 at an angle, the inclination blind pipe are connected by tee one-way valve with inverted arch bottom discharge blind pipe 76.
Wherein, tee one-way valve both can be vertical threeway；Can also be skew T, here is omitted for specific distribution.
In addition, whole prefabricated assembled drainage system is an axially symmetric structure in Fig. 5.It is it should be understood that axisymmetric
Structure type more can guarantee that each position proper drainage, but it does not form the limitation to prefabricated assembled drainage system.It is aobvious
In right work progress when facing different execution conditions, the specific arrangement of prefabricated assembled drainage system is likely to carry out phase
The adjustment answered, and reasonably adjusting should all be included within the protection domain of the present embodiment one.
In this embodiment, the quantity of the longitudinal drainage ditch 77 per side is two, and between the two longitudinal drainage ditches 77
It is provided with sealing rod.Furthermore it is preferred that the junction that longitudinal drainage ditch 77 tilts blind pipe 72 with packed layer draining is located at longitudinal drainage
Above the bottom of ditch 77.
In addition, smoothly flowing to inspection shaft 74 for the ease of the water in longitudinal drainage ditch 77, it is blind to be preferably filled with layer draining inclination
The upper end of pipe 72 is inclined upwardly away from the direction of the inspection shaft 74, makees so as to be put to current to playing certain guiding
With.In addition, it can be solid wall pipe or double-wall corrugated pipe that packed layer draining, which tilts blind pipe 72,.Packed layer draining herein tilts blind pipe
A diameter of 50mm~the 160mm of 72 prioritizing selections double-wall corrugated pipe, and the spacing between the adjacent straight blind pipe of packed layer draining
It could be arranged to 500mm~1000mm.It is in and fills out in addition, the straight blind pipe of packed layer draining is preferably placed at 30cm below packed layer top surface
The side for filling the straight blind pipe tube wall of layer draining is provided with inlet opening.Also, the diameter of longitudinal blind pipe 73 is preferably 100mm~200mm.
Same inverted arch bottom discharge blind pipe 76 can be solid wall pipe or double-wall corrugated pipe.Inverted arch bottom is arranged in the present embodiment
Water blind pipe 76 preferentially uses a diameter of 200mm~400mm double-wall corrugated pipe, and inverted arch bottom discharge blind pipe 76 is located at below inverted arch
In 100mm~2000mm, inlet opening is also equipped with the upside of inverted arch bottom discharge blind pipe 76.
Preferably, the drainage system also includes the packed layer center longitudinal drainage pipe 75 being located in packed layer, and described fills out
Fill layer center longitudinal drainage pipe 75 and the detachable connection of inspection shaft 4.
The invention also discloses the construction method in above-mentioned tunnel, and it comprises the following steps：
S1：Preliminary bracing is applied, the pre-buried inverted arch bottom discharge blind pipe 76 when applying preliminary bracing；
S2：Assembled tunnel inverted arch 21；In assembled tunnel inverted arch 21, centrally located prefabricated section is lifted first, so
Lift the prefabricated section positioned at both sides again afterwards；
S3：Tunnel arch wall 22 is installed；Tunnel arch wall passes through reinforcing bar and tunnel pre-buried at the top of the prefabricated section of tunnel inverted arch both sides
Inverted arch 21 connects；
S4：Drainage system is installed；The straight blind pipe of packed layer draining is installed first, packed layer draining tilts blind pipe 72 and inspection shaft
74；Then by the assembled both sides for arriving tunnel of longitudinal drainage ditch 77, and the packed layer draining of drainage system is tilted into blind pipe 72 with indulging
Connected to gutter 77；
S6：Pour packed layer 11.Track plates basis 12 can be applied again after packed layer 11 has been poured.
Embodiment of above is merely to illustrate the present invention, rather than limitation of the present invention.Although with reference to embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that, to technical scheme carry out it is various combination,
Modification or equivalent substitution, without departure from the spirit and scope of technical solution of the present invention, the right that all should cover in the present invention is wanted
Ask among scope.
Claims (11)
1. a kind of prefabricated assembled tunnel inverted arch, it is characterised in that including multiple rows of along the tactic assembly of tunnel bearing of trend
Unit, often arranging assembled rigid unit includes the curved assembled block in polylith cross section, often arrange adjacent assembled block in assembled rigid unit it
Between seam and adjacent assembled rigid unit in adjacent assembled block between seam offset one from another, in the both sides of every row's assembled rigid unit
The reinforcing bar for being connected with tunnel arch wall is embedded with the top of prefabricated section.
2. prefabricated assembled tunnel inverted arch according to claim 1, it is characterised in that in multiple rows of assembled rigid unit
Seam in odd row assembled rigid unit corresponds to each other, and the seam in even rows assembled rigid unit corresponds to each other.
3. prefabricated assembled tunnel inverted arch according to claim 1, it is characterised in that be provided with every block of prefabricated section
Hoisting ring for lifting.
4. prefabricated assembled tunnel inverted arch according to claim 1, it is characterised in that often arrange adjacent two in assembled rigid unit
The relative joint face of individual prefabricated section is provided with the positioning convex and detent to cooperate, and difference arranges the phase in assembled rigid unit
Adjacent two prefabricated sections are connected using tongue and groove or ball-and-socket hinge style, often arrange the two neighboring prefabricated section in assembled rigid unit and different rows spell
Two neighboring prefabricated section in dress unit passes through connector detachable connection.
5. prefabricated assembled tunnel inverted arch according to claim 1, it is characterised in that often arrange two neighboring in assembled rigid unit
Sealing rod is provided between contiguous prefabricated piece between prefabricated section and in different row's assembled rigid units.
6. prefabricated assembled tunnel inverted arch according to claim 1, it is characterised in that in every row's assembled rigid unit positioned at centre
Prefabricated section on be reserved with penetrate the prefabricated section vertical injected hole.
7. a kind of tunnel structure, it is characterised in that ecto-entad is disposed with preliminary bracing, secondary lining on inner surface of tunnel
Build, drainage system and packed layer, the secondary lining includes tunnel arch wall and pre- as any one of claim 1-6
Assembled tunnel processed inverted arch.
8. tunnel structure according to claim 7, it is characterised in that the drainage system uses prefabricated assembled draining system
System, its straight blind pipe of packed layer draining for including being located in the packed layer, packed layer draining tilt blind pipe, inspection shaft, Yi Jiwei
Inverted arch bottom discharge blind pipe in the preliminary bracing；The inspection shaft is arranged on the pipeline of the straight blind pipe of packed layer draining
On；The drainage system also includes the longitudinal drainage ditch for being arranged on the packed layer both sides, and the packed layer draining tilts blind pipe
Connect inspection shaft and the longitudinal drainage ditch；Between the straight blind pipe of packed layer draining and the inspection shaft, the inverted arch bottom
Between draining blind pipe and the inspection shaft, the packed layer draining is tilted between blind pipe and the inspection shaft, and the filling
Layer draining tilts to be connected between blind pipe and the longitudinal drainage ditch by dismountable mode；It is the longitudinal drainage ditch, described
It is pre- that the straight blind pipe of packed layer draining, the packed layer draining, which tilt blind pipe, the inspection shaft, the inverted arch bottom discharge blind pipe,
Product.
9. tunnel structure according to claim 8, it is characterised in that the quantity of the longitudinal drainage ditch per side is two, and
Sealing rod is provided between the two described longitudinal drainage ditches.
10. tunnel structure according to claim 8, it is characterised in that the longitudinal drainage ditch and the packed layer draining
The junction for tilting blind pipe is located above the bottom of the longitudinal drainage ditch.
11. a kind of construction method of tunnel structure, it is characterised in that comprise the following steps：
S1：Preliminary bracing is applied, the pre-buried inverted arch bottom discharge blind pipe when applying preliminary bracing；
S2：Assembled tunnel inverted arch；In the assembled tunnel inverted arch, centrally located prefabricated section, Ran Houzai are lifted first
Prefabricated section of the lifting positioned at both sides；
S3：Tunnel arch wall is installed；Tunnel arch wall is faced upward by reinforcing bar pre-buried at the top of the prefabricated section of tunnel inverted arch both sides with the tunnel
Arch connection；
S4：Drainage system is installed；The straight blind pipe of packed layer draining is installed first, packed layer draining tilts blind pipe and inspection shaft；Then
By the assembled both sides for arriving tunnel of longitudinal drainage ditch, and the packed layer draining of the drainage system is tilted into blind pipe and arranged with the longitudinal direction
Ditch connects；
S5：Pour packed layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549831.8A CN107387119A (en) | 2017-07-07 | 2017-07-07 | Prefabricated assembled tunnel inverted arch, tunnel structure and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549831.8A CN107387119A (en) | 2017-07-07 | 2017-07-07 | Prefabricated assembled tunnel inverted arch, tunnel structure and its construction method |
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| CN107387119A true CN107387119A (en) | 2017-11-24 |
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| CN201710549831.8A Pending CN107387119A (en) | 2017-07-07 | 2017-07-07 | Prefabricated assembled tunnel inverted arch, tunnel structure and its construction method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108756940A (en) * | 2018-05-28 | 2018-11-06 | 四川省交通运输厅公路规划勘察设计研究院 | Tunnel construction |
| CN109595005A (en) * | 2018-11-20 | 2019-04-09 | 山东万广建设工程有限公司 | The leading type no-dig technique tunnel construction structure of shell and construction method |
| CN109736834A (en) * | 2018-12-30 | 2019-05-10 | 中铁十四局集团有限公司 | Installation process method and apparatus, processor and the memory of inverted arch prefabricated film |
| CN109763838A (en) * | 2019-03-13 | 2019-05-17 | 中铁第一勘察设计院集团有限公司 | Assembled inverted arch structure and its assembling method suitable for drill+blast tunnel |
| CN110318776A (en) * | 2019-07-05 | 2019-10-11 | 甘肃省交通规划勘察设计院股份有限公司 | Method for tunnel construction based on inverted arch and inverted arch filled layer substitution steel-concrete combined structure |
| CN110410101A (en) * | 2019-08-06 | 2019-11-05 | 中铁十二局集团有限公司 | Tunnel deformation segment again supporting when heavy type inverted arch steelframe construction method |
| CN110617081A (en) * | 2019-10-11 | 2019-12-27 | 甘肃省交通规划勘察设计院股份有限公司 | Prefabricated inverted arch structure of highway tunnel assembled |
| CN110924979A (en) * | 2019-12-05 | 2020-03-27 | 中国铁建大桥工程局集团有限公司 | Prefabricated assembled inverted arch for mountain tunnel and construction method of prefabricated assembled inverted arch |
| CN111287764A (en) * | 2020-02-22 | 2020-06-16 | 北京泰德市政工程有限公司 | Tunnel secondary lining structure and construction method thereof |
| CN111719344A (en) * | 2020-06-30 | 2020-09-29 | 南阳理工学院 | Ballast bed water-proof and drainage structure |
| CN111878115A (en) * | 2020-07-17 | 2020-11-03 | 山东交通学院 | Cavity assembly type tunnel inverted arch and construction method |
| CN112593975A (en) * | 2020-12-11 | 2021-04-02 | 中铁二十局集团有限公司 | Inverted arch structure, construction method thereof and tunnel supporting structure |
| CN112696212A (en) * | 2020-12-31 | 2021-04-23 | 中铁二院工程集团有限责任公司 | Compressible tunnel bottom structure for inhibiting tunnel bottom bulging and construction method |
| CN113202504A (en) * | 2021-05-07 | 2021-08-03 | 交通运输部公路科学研究所 | Highway tunnel fabricated lining in alpine and high-altitude areas and construction method thereof |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104825A (en) * | 2018-01-12 | 2018-06-01 | 中国铁路设计集团有限公司 | A kind of shield tunnel tunnel bottom backfills assembly construction method |
| CN108104825B (en) * | 2018-01-12 | 2019-07-19 | 中国铁路设计集团有限公司 | A kind of shield tunnel tunnel bottom backfills assembly construction method |
| CN108756940A (en) * | 2018-05-28 | 2018-11-06 | 四川省交通运输厅公路规划勘察设计研究院 | Tunnel construction |
| CN108756940B (en) * | 2018-05-28 | 2019-11-05 | 四川省交通运输厅公路规划勘察设计研究院 | Tunnel construction |
| CN109595005A (en) * | 2018-11-20 | 2019-04-09 | 山东万广建设工程有限公司 | The leading type no-dig technique tunnel construction structure of shell and construction method |
| CN109595005B (en) * | 2018-11-20 | 2024-04-02 | 山东万广建设工程有限公司 | Shell advance type non-excavation tunnel construction structure and construction method |
| CN109736834A (en) * | 2018-12-30 | 2019-05-10 | 中铁十四局集团有限公司 | Installation process method and apparatus, processor and the memory of inverted arch prefabricated film |
| CN109763838A (en) * | 2019-03-13 | 2019-05-17 | 中铁第一勘察设计院集团有限公司 | Assembled inverted arch structure and its assembling method suitable for drill+blast tunnel |
| CN109763838B (en) * | 2019-03-13 | 2023-09-15 | 中铁第一勘察设计院集团有限公司 | Assembled inverted arch structure suitable for tunnel by drilling and blasting method and assembling method thereof |
| CN110318776B (en) * | 2019-07-05 | 2021-02-05 | 甘肃省交通规划勘察设计院股份有限公司 | Tunnel construction method based on inverted arch and inverted arch filling layer replacing steel-concrete composite structure |
| CN110318776A (en) * | 2019-07-05 | 2019-10-11 | 甘肃省交通规划勘察设计院股份有限公司 | Method for tunnel construction based on inverted arch and inverted arch filled layer substitution steel-concrete combined structure |
| CN110410101A (en) * | 2019-08-06 | 2019-11-05 | 中铁十二局集团有限公司 | Tunnel deformation segment again supporting when heavy type inverted arch steelframe construction method |
| CN110617081B (en) * | 2019-10-11 | 2021-01-22 | 甘肃省交通规划勘察设计院股份有限公司 | Prefabricated inverted arch structure of highway tunnel assembled |
| CN110617081A (en) * | 2019-10-11 | 2019-12-27 | 甘肃省交通规划勘察设计院股份有限公司 | Prefabricated inverted arch structure of highway tunnel assembled |
| CN110924979A (en) * | 2019-12-05 | 2020-03-27 | 中国铁建大桥工程局集团有限公司 | Prefabricated assembled inverted arch for mountain tunnel and construction method of prefabricated assembled inverted arch |
| CN111287764A (en) * | 2020-02-22 | 2020-06-16 | 北京泰德市政工程有限公司 | Tunnel secondary lining structure and construction method thereof |
| CN111719344A (en) * | 2020-06-30 | 2020-09-29 | 南阳理工学院 | Ballast bed water-proof and drainage structure |
| CN111878115B (en) * | 2020-07-17 | 2022-06-07 | 山东交通学院 | Cavity assembly type tunnel inverted arch and construction method |
| CN111878115A (en) * | 2020-07-17 | 2020-11-03 | 山东交通学院 | Cavity assembly type tunnel inverted arch and construction method |
| CN112593975A (en) * | 2020-12-11 | 2021-04-02 | 中铁二十局集团有限公司 | Inverted arch structure, construction method thereof and tunnel supporting structure |
| CN112696212A (en) * | 2020-12-31 | 2021-04-23 | 中铁二院工程集团有限责任公司 | Compressible tunnel bottom structure for inhibiting tunnel bottom bulging and construction method |
| CN113202504A (en) * | 2021-05-07 | 2021-08-03 | 交通运输部公路科学研究所 | Highway tunnel fabricated lining in alpine and high-altitude areas and construction method thereof |
| CN113202504B (en) * | 2021-05-07 | 2023-09-29 | 交通运输部公路科学研究所 | Highway tunnel fabricated lining in high-cold high-altitude area and construction method thereof |
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